Finding the Fourth Proportional to 91,968.22, 137,877.88 and 28,755.82

Step by Step Solution

1. Step 1: Write the proportion equation
   91,968.22 : 137,877.88 = 28,755.82 : x
2. Step 2: Convert to fraction form
   91,968.22/137,877.88 = 28,755.82/x
3. Step 3: Cross multiply
   91,968.22x = 137,877.88 × 28,755.82
4. Step 4: Simplify right side
   91,968.22x = 3,964,791,499.26
5. Step 5: Solve for x
   x = 3,964,791,499.26/91,968.22
6. Step 6: Final answer
   x = 43,110.45